Finding the Fourth Proportional to 5,913,000.90, 8,869,501.35 and 2,125,991.70
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Solution
The fourth proportional to 5,913,000.90, 8,869,501.35 and 2,125,991.70 is: 3,188,987.55
Step by Step Solution
- Step 1: Write the proportion equation
5,913,000.90 : 8,869,501.35 = 2,125,991.70 : x - Step 2: Convert to fraction form
5,913,000.90/8,869,501.35 = 2,125,991.70/x - Step 3: Cross multiply
5,913,000.90x = 8,869,501.35 × 2,125,991.70 - Step 4: Simplify right side
5,913,000.90x = 18,856,486,253,238.80 - Step 5: Solve for x
x = 18,856,486,253,238.80/5,913,000.90 - Step 6: Final answer
x = 3,188,987.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.